Read-to-Write-to-Read OE Controlled19, 20, 21

CY7C0430BV

CY7C0430CV

Switching Waveforms (continued)

Read-to-Write-to-Read (OE Controlled)[19, 20, 21, 22]

tCH2 tCYC2tCL2

CLK

R/W

tSC tHC

tSW tHW

ADDRESS

An+1

An+2

An+3

An+4

An+5

tSA

tHA

tSD

tHD

DATAIN

Dn+2

Dn+3

tCD2

DATAOUT	Q	n	Q
		n	n+4

				tCKLZ
	tOHZ

Read Write Read

Read with Address Counter Advance[23, 24]

	tCYC2
	tCH2	tCL2
CLK
tSA	tHA
ADDRESS	An
tSCLD	tHCLD
CNTLD
CNTINC		tSCINC	tHCINC
CNTINC
		tCD2
DATAOUT	Qx–1	Qx	Qn	Qn+1	Qn+2	Qn+3
	Read	tDC		Counter Hold	Read with Counter
	External	Read with Counter			Read with Counter
	Address
Notes:
23. CE0 = OE = LB = UB = VIL; CE1 = R/W = CNTRST = MRST = MKLD = MKRD = CNTRD = VIH.
24. The “Internal Address” is equal to the “External Address” when CNTLD = VIL.
Document #: 38-06027 Rev. *B						Page 15 of 37

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Cypress CY7C0430CV manual Read-to-Write-to-Read OE Controlled19, 20, 21, Read with Address Counter Advance23, Cntld Cntinc

Contents

Features QuadPort DSE Family ApplicationsCypress Semiconductor Corporation Queue #1 Functional DescriptionProcessor Pre-processed Data Path Processor Processed Data Path Port 1 Operation-control Logic Blocks2 Top Level Logic Block Diagram Address Readback is independent of CEs Port 1 Operation-Control Logic Block Diagram Ball Grid Array BGA Top View Pin Configuration Port Description Selection GuidePin Definitions CY7C0430CV Unit Counter Interrupt Flag Output . Flag is asserted LOW Mask Register Readback Input . When asserted LOW Capacitance Electrical Characteristics Over the Operating RangeMaximum Ratings Operating Range TAP Load Three-State DelayAC Test Load Normal Load Maximum Frequency Chip Enable Set-up TimeChip Enable Hold Time Output Enable to Data Valid Jtag Timing and Switching Waveforms Master Reset10 Switching Waveforms Latency CLKAddress Data OUT Read No Operation Write Bank Select Read 17Read-to-Write-to-Read OE = Address B1 Dataout Read-to-Write-to-Read OE Controlled19, 20, 21Read with Address Counter Advance23 Cntld Cntinc Counter Hold Write with Address Counter Advance 24Address Internal Write External Write with Address n Counter Reset 21, 26Counter Write Read Reset Address Data Data OUT Load and Read Address Counter28 Cntrd InternalLoad Read Data with Counter External Address Internal Load Read Mask Register Value Load and Read Mask RegisterMkld Mkrd Mask Internal Value Port 1 Write to Port 2 Read34, 35 Mailbox Interrupt Timing40, 41, 42, 43 Counter Interrupt 37, 38 Operation Mode Operation Port Function Master ResetInterrupts Interrupt Operation Example Address Counter Control Operations Cntrd MkrdCntinc = Cntld = Cntrst = CLK Counter-Mask Register Performing a TAP Reset Disabling the Jtag FeatureTest Access Port TAP-Test Clock TCK Test Mode Select Non-Debug Mode Go-NoGo Identification ID RegisterTAP Instruction Set P4IO17-9 Debug ModeMbist Control States Boundary Scan Cells BSC EXIT2-IR UPDATE-DR UPDATE-IR TAP Controller State Diagram FSM53 Bist TAP Controller JTAG/BIST TAP Controller Block DiagramMUX Mbist Debug Register MDR 391 Between TDI and TDO Scan Registers Sizes Register Name Bit SizeInstruction Identification Codes Description Places the bypass register BYR between TDI and TDO Mbist Control Register MCR MCR10 Mode CLKP3 Boundary Scan Order Cell # Signal Name Bump Ball IDCE0 CLKP4 CLKP2 Ordering Information Lead Pbga 27 x 27 x 2.33 mm BG272 Package Diagram FSG Issue Orig. Description of Change DateDocument History SZV

Cypress CY7C0430CV manual Read-to-Write-to-Read OE Controlled19, 20, 21, Cntld Cntinc, Dataout

Models: CY7C0430CV CY7C0430BV

Switching Waveforms (continued)

Read-to-Write-to-Read (OE Controlled)[19, 20, 21, 22]

CLK

ADDRESS

DATAOUT

Read with Address Counter Advance[23, 24]

CLK

ADDRESS

CNTLD

CNTINC

DATAOUT

Counter Hold

Read with Counter

External

Address